Star diopside and Polyhalite Physical Properties

Star diopside and Polyhalite Chemical Formula

While comparing Star diopside and Polyhalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Star diopside and Polyhalite chemical formula.

• Chemical formula of Star diopside- CaMgSi2O6
• Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Star diopside and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star diopside and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star diopside and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Star diopside is 2.78 whereas that of Polyhalite is 2.78.